Question

for each triangle, check all that apply.
triangle a
12
12
12
scalene
isosceles
equilateral
triangle b
7
6
5
scalene
isosceles
equilateral
triangle c
10
10
14
scalene
isosceles
equilateral

Explanation:

Step1: Analyze Triangle A

All sides = 12, so equilateral (all sides equal) and isosceles (at least 2 sides equal).

Step2: Analyze Triangle B

Sides 5,6,7 (all distinct), so scalene.

Step3: Analyze Triangle C

Two sides =10 (others≠10), so isosceles.

Answer:

Triangle A: Equilateral, Isosceles
Triangle B: Scalene
Triangle C: Isosceles